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Nema 34 Closed Loop Stepper Motor Systerm with high Torque 8.5N.M Easy Servo Motor For Laser Engraving Machines
Like stepper motors, servo motors have many implementations. Let’s consider the most common design, which incorporates a rotor with permanent magnets and a stationary stator with the windings. Here too, the current creates a magnetic field distribution that acts on the rotor to develop torque. Servo motors have significantly lower pole counts than stepper motors, however. As a result, they must be run closed-loop.
In general, servo motors are more sophisticated than stepper motors. They run significantly faster than stepper motors, with speeds on the order of several thousand RPMs . This enables servo motors to be used with gearboxes to deliver much higher torque at useful speeds. They also deliver more consistent torque across the speed range of the motor. Unlike stepper motors, they do not have holding torque per se.
Genaral Specification of closed loop stepper motor:
| Item | Specifications |
| Step Angle | 1.8° |
| Temperature Rise | 80℃max |
| Ambient Temperature | -20℃~+50℃ |
| Insulation Resistance | 100 MΩ Min. ,500VDC |
| Dielectric Strength | 820VAC for 1minute |
| Shaft Radial Play | 0.02Max. (450g-load) |
| Shaft Axial Play | 0.08Max. (450g-load) |
| Max. radial force | 220N (20mm from the flange) |
| Max. axial force | 60N |
Electrical Specification of nema 34 closed loop stepper motor 8.5N.m:
Model No. | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | N.m | No. | Kg.cm | g.cm | Kg | |
| JK86HS78-6004 XBJED-0.35M | 1.8 | 115 | 6 | 0.36 | 3.8 | 8.5 | 4 | 2.4 | 2700 | 4.3 |
closed loop Stepper motor Driver: JK-HSD86
| Parameter | Min | Typical | Max | Unit | |
| Input Voltage (JK-HSD86) | 20 | 36 48 | 50 | VDC | |
| Input Voltage (JK-HSD86C) | 24 | 36 48 | 80 | VDC | |
| Input Voltage (SC8680C) | 24VAC | 60AC | 80VAC 100VDC | VVDC | |
| Output Current | 0.1 | - | 10(Peak) | A | |
| Pulse Input Frequency | 0 | - | 200 | kHz | |
| Logic Signal Current | 7 | 10 | 16 | mA | |
| Isolation Resistance | 500 | - | - | MΩ | |
closed loop stepper motor Drawing
Details of product:
One set includes stepper motor and stepper driver with 3m cables
We aslo supply Stepper motor Kits, linear stepper motor, Dc motor, Brake stepper motor, Stepper motor with Encoder, Flexible Coupling, Pully, Power supply, Breakout Board and so on..
Warranty:
Applications
Computer controlled stepper motors are a type of motion-control positioning system. They are typically digitally controlled as part of an open loop system for use in holding or positioning applications.
In the field of lasers and optics they are frequently used in precision positioning equipment such as linear actuators, linear stages, rotation stages, goniometers, and mirror mounts. Other uses are in packaging machinery, and positioning of valve pilot stages for fluid control systems.
Commercially, stepper motors are used in floppy disk drives, flatbed scanners, computer printers, plotters, slot machines, image scanners, compact disc drives, intelligent lighting, camera lenses, CNC machines and, more recently, in 3D printers.
